This is a combination Mini-Miter Box and Razor Saw set. The plastic Miter Box has an adjustable stop and beveled channel for tubing and dowels. The plastic Mini Miter box measures 6 1/2" long - holds material up to 1 1/2" wide and 1/4" thick for 30 degree, 45 degree and 90 degree cuts. The Razor Saw offers longer wear in metal cutting applications with a shorter cutting depth and steel back for greater blade stability. It has 32 teeth per inch,.008" thin blade, 1/2" cutting depth and is 4 1/2" long.